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Remote Sensing Technology and Application  2005, Vol. 20 Issue (4): 399-403    DOI: 10.11873/j.issn.1004-0323.2005.4.399
article     
Study on the LUCC in Typical Regions Based on RS and GIS Methods
——Application of Maduo County in the Source Regions of angtse,Lancang and Yellow River
DONG Li-xin1, KONG Jin-ling1, WANG Wen-ke2,MA Ming-guo3, LI You-hong4
(1.College of Earth science and Land Resourses Management,Chang'an University,Xi'an710054,China;
2.Environmental Science and Engineering College,Chang'an University,Xi'an710054,China; 3.The
State Key Laboratory of Frozen Soil Engineering,Cold and Arid Regions Environmental and
Engineering Research Institute,Chinese Academy of Sciences,Lanzhou730000,China;
4.The Weather Bureau of Qinghai Province,Xining810001,China)
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Abstract  

The study of LUCC in typical and frangible region is the important content of the territorial research. The Source regions of Yangtse, Lancang and Yellow River is the state natural protective regions.The eco-environment is very frangible and sensitive in this area. Give an example of application of Maduo county, this article have systematically studied the LUCC and the influence on Landscape Pattern and discussed the course of LUCC in the region based on RS and GIS Methods. The result will establish the foundation of the territorial research and provide the decision-making basis for the environment protection in the region. Key points include that①During the 10 years, the areas of grasslands, marshes and water is sharply decreasing, the proportion of marshes have decreased 36.63%. The number of lake which the area is more than 6 hectare have half decreased. The sands, the bare-land and the pickled-land is sharply expanding. The degenerate and desertification of grassland is serious.②The transform of style among the grassland, the sands, the bare-land, the water, the marshes and the pickled-land is obvious.③The index of diversity and evenness and the extent of Landscape' s heterogeneity have been improved. The lands are
diversifying and evening; The dominance of the sand land and the bare-land have been increased.The dominance of the water, the marshes and the grass-land have been decreased; The overall fragmentation of lands is tend to decrease,while the fragmentation of the sand land and the marshes is tend to increase.④The integrate-dynamic extent of land use is 0.98. The area of the grass-land、the bare-land, the marshes and the sand land is sharply changing.⑤The LUCC of the regions will profoundly impact the eco-environmental evolution process and the self-restraint and supply of water resource in the Source regions of Yangtse, Lancang and Yellow River.

Key words:  LUCC, Transfer matrix      Landscape pattern      Remote sensing and GIS      Source regions of three river     
Received:  08 November 2004      Published:  27 October 2011
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Cite this article: 

DONG Li-xin, KONG Jin-ling, WANG Wen-ke,MA Ming-guo, LI You-hong. Study on the LUCC in Typical Regions Based on RS and GIS Methods
——Application of Maduo County in the Source Regions of angtse,Lancang and Yellow River. Remote Sensing Technology and Application, 2005, 20(4): 399-403.

URL: 

http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2005.4.399     OR     http://www.rsta.ac.cn/EN/Y2005/V20/I4/399

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